Filtering by
- All Subjects: Bass, William Wallace, 1849-1933
- All Subjects: Mining
- All Subjects: Demaray, Arthur Edward, 1887-1958
- All Subjects: Civilian Conservation Corps (U.S.)
- Member of: 100 Years of Grand: The Grand Canyon Centennial Project
- Status: Published
Letter from A. E. Demaray to Carl Hayden regarding the storage of dynamite in Shoski Canyon.
Letter from W. W. Bass to Carl Hayden regarding the right to his property.
Letter from George Otis Smith, U.S. Geological Survey to Carl Hayden regarding asbestos mining prospects in the Grand Canyon.
Letter from Carl Hayden to George Otis Smith asking his advice regarding the mining of asbestos deposits in the Grand Canyon.
Letter from George Otis Smith to Carl Hayden regarding mining rights in the Grand Canyon.
Letter from W. W. Bass to Harry Welch protesting the proposed national park bill.
Letter from A. F. Potter to Carl T. Hayden describing John H. Page's request to build a railway for the Canyon Copper Company as "impractical."
Letter from John H. Page regarding his right to build a railway between Grand Canyon Station and the Canyon Copper Company's mines and hotel.
Letter from Gifford Pinchot to John H. Page denying his request to build a railway on the rim of the Grand Canyon for the Canyon Copper Company.
Letter from John Page to Carl T. Hayden regarding a conversation conducted at Hotel Adams in Phoenix. Page states his concern over the national park bill in reference to his mining company.